import java.util.Scanner;
public class GuessNumber {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String again;
        do {
            int sj = (int) (Math.random() * 100 + 1);
            int chances = 7;
            while (chances > 0) {
                System.out.println("请猜一个1-100之间的整数（含1和100）," +
                        "你还有" + chances + "次机会,输入-1可结束本轮游戏:");
                int sr;
                try {
                    sr= sc.nextInt();
                }catch (Exception e){
                    System.out.println("请输入合法数字！");
                    sc.next();
                    continue;
                }
                if (sr==-1) {
                    break;
                }else if ((sr > sj)){
                    System.out.println("大了");
                } else if (sr < sj) {
                    System.out.println("小了");
                } else {
                    System.out.println("对了");
                    break;
                }
                chances = chances - 1;
            }
            if (chances <= 0) {
                System.out.println("你没有机会啦！");
            }
            System.out.println("再玩一次吗？（y/n)");
            again = sc.next();
        }while(again.equalsIgnoreCase("y"));
    }
}